1135061890 has 32 divisors (see below), whose sum is σ = 2057799744. Its totient is φ = 450774720.

The previous prime is 1135061887. The next prime is 1135061903. The reversal of 1135061890 is 981605311.

1135061890 = T₃₆₅ + T₃₆₆ + ... + T₁₈₉₉.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015612 + ... + 1016728.

It is an arithmetic number, because the mean of its divisors is an integer number (64306242).

Almost surely, 2^1135061890 is an apocalyptic number.

1135061890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1135061890 is a deficient number, since it is larger than the sum of its proper divisors (922737854).

1135061890 is a wasteful number, since it uses less digits than its factorization.

1135061890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1135061890 is about 33690.6795716560. The cubic root of 1135061890 is about 1043.1333908545.

The spelling of 1135061890 in words is "one billion, one hundred thirty-five million, sixty-one thousand, eight hundred ninety".